作者: Lawrence E. Harris , David L. Lord , Buddy W. McDaniel , J. E. Manrique
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摘要: The present invention provides methods of controlling the growth one or more vertically oriented fractures in a subterranean formation during fracturing treatment. A first fluid having known density and containing diverting agent is introduced into to create fracture. second which may contain proppant different from then fracture whereby selectively overrides underrides fluid. Such control forces bottom top therein caused screen out impede further downward upward introduction can be continued extend as desired.